Warehouse sheet: provide statistics (refs #3398)

- Number of finds (total and by places)
- Number of container (total and by places)

1 files changed, 13 insertions, 0 deletions

diff --git a/ishtar_common/models.py b/ishtar_common/models.py
index bf5c6056a..1632cbfb2 100644
--- a/ishtar_common/models.py
+++ b/ishtar_common/models.py
@@ -1306,6 +1306,19 @@ class UserDashboard:
 
 
 class DashboardFormItem(object):
+    """
+    Provide methods to manage statistics
+    """
+
+    def _get_or_set_stats(self, funcname, update,
+                          timeout=settings.CACHE_TIMEOUT):
+        key, val = get_cache(self.__class__, [funcname, self.pk])
+        if not update and val is not None:
+            return val
+        val = getattr(self, funcname)()
+        cache.set(key, val, timeout)
+        return val
+
     @classmethod
     def get_periods(cls, slice='month', fltr={}, date_source='creation'):
         date_var = date_source + '_date'